Q2.The single line diagram of a three phase power system is shown in Fig.(1). Draw an impedance diagram showing all impedances in per unit. Also, find the terminal voltage of the generator when motor No.1 draws 4MW at 0.95 power factor lagging at 6 kV terminal voltage and motor 2 is not loaded?. The data of the system elements are given as follows: G: 15 MVA, 13.2kV, X-0.1p.u. Mı: 2 MVA, 6.6kV, X=0.08 p.u. M2: 5 MVA, 11kV, X-0.12 p.u. T: 10 MVA, 13.8/138 kV,X=0.1 p.u. T2: Bank of single units each 1 MVA, 7/76.2 kV, X-0.09 p.u. T3: 5 MVA, 13.2/132kV,X=0.12 p. Line: (20+j100) 0 Select a base power of 50 MVA and a base of 15kV in the generator zone

Q2.The single line diagram of a three phase power system is shown in Fig.(1). Draw an impedance diagram showing all impedances in per unit. Also, find the terminal voltage of the generator when motor No.1 draws 4MW at 0.95 power factor lagging at 6 kV terminal voltage and motor 2 is not loaded?. The data of the system elements are given as follows: G: 15 MVA, 13.2kV, X-0.1p.u. Mı: 2 MVA, 6.6kV, X=0.08 p.u. M2: 5 MVA, 11kV, X-0.12 p.u. T: 10 MVA, 13.8/138 kV,X=0.1 p.u. T2: Bank of single units each 1 MVA, 7/76.2 kV, X-0.09 p.u. T3: 5 MVA, 13.2/132kV,X=0.12 p. Line: (20+j100) 0 Select a base power of 50 MVA and a base of 15kV in the generator zone

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.41P

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